Zhiyuan Yang created TEZ-3397:
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Summary: Better fault tolerance heuristics for custom edge
Key: TEZ-3397
URL: https://issues.apache.org/jira/browse/TEZ-3397
Project: Apache Tez
Issue Type: Bug
Reporter: Zhiyuan Yang
Assignee: Zhiyuan Yang
Today, a source task calculates failure fraction by dividing number of unique
destination tasks that report failure by number of destination tasks that
depend on this source task. A better way is to divide number of destination
tasks that report failure by number of *unfinished* destination tasks that
depend on the source task.
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